Define and use system-independent wrapper macro for poll()

1 files changed, 10 insertions, 1 deletions

diff --git a/w32/VS2013/MHD_config.h b/w32/VS2013/MHD_config.h
index 7b94c43e..07f1fbbb 100644
--- a/w32/VS2013/MHD_config.h
+++ b/w32/VS2013/MHD_config.h
@@ -9,7 +9,6 @@
 /* Define if MS VC compiler is used */
 #define MSVC 1
 
-
 /* *** MHD configuration *** */
 /* Undef to disable feature */
 
@@ -40,6 +39,16 @@
 /* define to use W32 threads */
 #define MHD_USE_W32_THREADS 1
 
+#ifndef _WIN32_WINNT
+/* MHD supports Windows XP and later W32 systems*/
+#define _WIN32_WINNT 0x0501
+#endif /* _WIN32_WINNT */
+
+/* winsock poll is available only on Vista and later */
+#if _WIN32_WINNT >= 0x0600
+#define HAVE_POLL 1
+#endif /* _WIN32_WINNT >= 0x0600 */
+
 /* define to 0 to disable epoll support */
 #define EPOLL_SUPPORT 0